Graham Cluley reports: Clients of Spreadshirt, Spreadshop, and TeamShirts have been warned of a data hack which has seen the details of customers, partners, and employees fall into the lap of cybercriminals. News of the hack first emerged on Thursday when customers were warned by email of a “security incident” involving an “unauthorised third party.” At the time, the print-on-demand T-shirt company said it was investigating what data might have been affected. Read more on